/*
 * Copyright (c) 2025, 2025, Oracle and/or its affiliates. All rights reserved.
 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
 *
 * This code is free software; you can redistribute it and/or modify it
 * under the terms of the GNU General Public License version 2 only, as
 * published by the Free Software Foundation.  Oracle designates this
 * particular file as subject to the "Classpath" exception as provided
 * by Oracle in the LICENSE file that accompanied this code.
 *
 * This code is distributed in the hope that it will be useful, but WITHOUT
 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
 * version 2 for more details (a copy is included in the LICENSE file that
 * accompanied this code).
 *
 * You should have received a copy of the GNU General Public License version
 * 2 along with this work; if not, write to the Free Software Foundation,
 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
 *
 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
 * or visit www.oracle.com if you need additional information or have any
 * questions.
 */

package com.oracle.svm.hosted.webimage.logging.visualization;

public interface Widget {
    char NEWLINE = '\n';
    char TOP_LEFT_CORNER = '\u250c';
    char TOP_RIGHT_CORNER = '\u2510';
    char BOTTOM_LEFT_CORNER = '\u2514';
    char BOTTOM_RIGHT_CORNER = '\u2518';
    char VERTICAL_BORDER = '\u2502';
    char HORIZONTAL_BORDER = '\u2500';
    char LEFT_T_BAR = '\u2524';
    char RIGHT_T_BAR = '\u251C';

    void visualize(DrawKit kit);

    static void repeat(DrawKit kit, int maxLabelWidth, char c) {
        for (int i = 0; i < maxLabelWidth; i++) {
            kit.print(c);
        }
    }

    static String trunc(String s, int maxLength) {
        if (s.length() > maxLength) {
            return s.substring(0, maxLength - 3) + "...";
        }
        return s;
    }

    static String hardTrunc(String s, int maxLength) {
        if (s.length() > maxLength) {
            return s.substring(0, maxLength);
        }
        return s;
    }

    static String pad(String s, int maxLength, boolean left) {
        if (s.length() >= maxLength) {
            return s;
        }
        StringBuilder padding = new StringBuilder(maxLength - s.length());
        for (int i = 0; i < maxLength - s.length(); i++) {
            padding.append(' ');
        }
        return left ? padding + s : s + padding;
    }

    static String center(String s, int length) {
        if (s.length() >= length) {
            return s;
        }
        int remaining = length - s.length();
        return pad(pad(s, s.length() + remaining / 2, true), length, false);
    }
}
